CVE-2021-43888: Microsoft Defender For IoT

High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days.

Microsoft Defender for IoT Information Disclosure Vulnerability

Affected products

• Microsoft Defender For IoT: before 10.5.2 (fixed in 10.5.2)

Published 2021-12-15. Last modified 2026-06-17.